Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 90, NWS St. Louis, MO

December 27, 2008Marion County, Shelby County, Missouri

NWS St. Louis, MO issued this tornado warning at Dec 27, 2008, 9:05 AM CST for Marion County, Shelby County, Missouri. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 27, 2008, 9:05 AM CST (15:05 UTC)
Expired
Dec 27, 2008, 9:30 AM CST
In force
25 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Marion County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 162 km from the middle of the area, began a volume at 15:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 27, 4:30 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 3.1 hours before the alert went out and 231 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 2008-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2008-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
6 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
851 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KLSX 271505
TORLSX
MOC127-205-271530-
/O.NEW.KLSX.TO.W.0090.081227T1505Z-081227T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
905 AM CST SAT DEC 27 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN MARION COUNTY IN NORTHEAST MISSOURI
  EASTERN SHELBY COUNTY IN NORTHEAST MISSOURI

* UNTIL 930 AM CST

* AT 902 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR SHELBYVILLE...OR
  ABOUT 5 MILES NORTH OF SHELBINA...MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EMDEN...
  WARREN...
  PHILADELPHIA...

THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 3995 9171 3975 9163 3966 9206 3966 9209
      3983 9216 3995 9177
TIME...MOT...LOC 1506Z 251DEG 19KT 3977 9201

$$

CARNEY
1 follow-up statement
000 
WWUS53 KLSX 271524
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
924 AM CST SAT DEC 27 2008

MOC127-205-271530-
/O.CON.KLSX.TO.W.0090.000000T0000Z-081227T1530Z/
MARION MO-SHELBY MO-
924 AM CST SAT DEC 27 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 AM CST FOR EASTERN
SHELBY AND WESTERN MARION COUNTIES...

AT 923 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR EMDEN...OR 11 MILES
NORTHEAST OF SHELBINA...AND WAS MOVING EAST AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...EMDEN...WARREN AND
PHILADELPHIA.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3995 9171 3975 9163 3966 9206 3966 9209
      3983 9216 3995 9177
TIME...MOT...LOC 1524Z 251DEG 19KT 3980 9189

$$

CARNEY

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 26, 11:04 PM CSTRiver Flood WarningLSXLewis66 hr
Dec 27, 12:44 AM CSTTornado WarningLSXLewis, Marion, Monroe, Shelby46 min
Dec 27, 1:23 AM CSTTornado WarningLSXLewis, Marion47 min
Dec 27, 1:31 AM CSTTornado WarningLSXMarion, Monroe, Ralls, Shelby44 min
Dec 27, 2:13 AM CSTTornado WarningLSXMarion, Monroe, Ralls47 min
Dec 27, 2:37 AM CSTFlash Flood WarningLSXLewis, Marion, Monroe, Shelby6 hr
Dec 27, 4:05 AM CSTWind AdvisoryLSXIron, Jefferson, Madison, Reynolds, Saint Charles, Sainte Genevieve and 4 more12 hr
Dec 27, 7:46 AM CSTSevere Thunderstorm WarningLSXIron, Reynolds, Sainte Genevieve, Saint Francois, Washington16 min
Dec 27, 8:46 AM CSTSevere Thunderstorm WarningLSXShelby29 min
Dec 27, 9:14 AM CSTTornado WarningLSXKnox, Lewis, Marion, Shelby31 min
Dec 27, 9:26 AM CSTTornado WarningLSXAudrain, Boone, Monroe37 min
Dec 27, 9:49 AM CSTTornado WarningLSXMonroe, Ralls41 min
Dec 27, 10:01 AM CSTSevere Thunderstorm WarningLSXAudrain, Montgomery, Pike, Ralls44 min
Dec 27, 10:10 AM CSTTornado WarningLSXAudrain, Pike, Ralls35 min
Dec 27, 10:27 AM CSTTornado WarningLSXCallaway, Lincoln, Montgomery, Warren33 min
Dec 27, 10:32 AM CSTSevere Thunderstorm WarningLSXPike43 min
Dec 27, 10:46 AM CSTTornado WarningLSXPike44 min
Dec 27, 10:58 AM CSTTornado WarningLSXLincoln47 min
Dec 27, 11:02 AM CSTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren43 min
Dec 27, 12:18 PM CSTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade, Osage, Washington42 min
Dec 27, 12:41 PM CSTFlash Flood WarningLSXFranklin, Gasconade, Jefferson, Lincoln, Montgomery, Saint Charles and 3 more6 hr
Dec 27, 12:53 PM CSTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, Warren, Washington37 min
Dec 27, 1:06 PM CSTSevere Thunderstorm WarningLSXFranklin, Jefferson, Lincoln, Saint Charles, Saint Louis, City of Saint Louis54 min
Dec 27, 1:37 PM CSTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis53 min
Dec 27, 1:53 PM CSTRiver Flood WarningLSXMarion48 hr
Dec 27, 4:14 PM CSTAreal Flood AdvisoryLSXIron, Jefferson, Madison, Reynolds, Sainte Genevieve, Saint Francois and 1 more4 hr

Nearby

Tornado Warnings in Missouri, 2008Every tornado warning in 2008Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.